As their first major act of the new Congress, Republicans rushed approval of a budget resolution this week that sets up a framework for repealing Obamacare, but what exactly to replace it with is still a puzzle Republicans are piecing together.

And it could take a while.

“We’re not holding hard deadlines, only because we want to get it right,” House Speaker Paul Ryan, R-Wis., told reporters this week. The budget resolution does include a Jan. 27 deadline for committees to report back with repeal legislation, but lawmakers have made abundantly clear they’re going to blow past that date.